Intelligence Perks - Fallout 4
Intelligence is a measure of your overall mental acuity, and affects the number of Experience Points earned.

Intelligence
Intelligence is a measure of your overall mental acuity, and affects the number of Experience Points earned.

V.A.N.S.
Intelligence Level 1
Rank 1: Let Vault-Tec guide you! The path to your closest quest target is displayed in V.A.T.S.

Medic
Intelligence Level 2
Rank 1: Is there a doctor in the house? Stimpaks restore 40% of lost Health, and RadAway removes 40% of radiation.
Rank 2: Stimpaks now restore 60% of lost Health, and RadAway removes 60% of radiation.
Rank 3: Stimpaks now restore 80% of lost Health, and RadAway removes 80% of radiation.
Rank 4: Stimpaks and Radaway restore all lost health and radiation, and work much more quickly.

Gun Nut
Intelligence Level 3
Rank 1: Shoot first, kill first, with access to base level and Rank 1 gun mods.
Rank 2: You gain access to Rank 2 gun mods.
Rank 3: You gain access to Rank 3 gun mods.
Rank 4: You gain access to Rank 4 gun mods.

Hacker
Intelligence Level 4
Rank 1: Knowledge of cutting-edge computer encryption allows you to hack Advanced terminals.
Rank 2: You can hack Expert terminals.
Rank 3: You can hack Master terminals.
Rank 4: When hacking, you never get locked out of a terminal when things go wrong.

Scrapper
Intelligence Level 5
Rank 1: Waste not, want not! You can salvage uncommon components like screws, aluminum, and copper when scrapping weapons and armor.
Rank 2: You can salvage rare components like circuitry, nuclear material when scrapping weapons and armor. Items with favorited components are highlighted.

Science!
Intelligence Level 6
Rank 1: Take full advantage of advanced technology with access to base level and Rank 1 high-tech mods.
Rank 2: You gain access to Rank 2 high-tech mods.
Rank 3: You gain access to Rank 3 high-tech mods.
Rank 4: You gain access to Rank 4 high-tech mods.

Chemist
Intelligence Level 7
Rank 1: Any chems you take last 50% longer. Far out.
Rank 2: Any chems you take now last twice as long.
Rank 3: Any chems you take now last an additional 150% longer.
Rank 4: Any chems you take now last an additional 200% longer.

Robotics Expert
Intelligence Level 8
Rank 1: Machines will always serve humans, if you have anything to say about it. Hack a robot, and gain a chance to power it on or off, or initiate a self-destruct.
Rank 2: When you successfully hack a robot, you can incite it to attack.
Rank 3: When you successfully hack a robot, you can give it specific commands.

Nuclear Physicist
Intelligence Level 9
Rank 1: You've learned to split the atom... and command it. Radiation weapons do 50% more damage and Fusion Cores last an extra 25% longer.
Rank 2: Radiation weapons now do double damage and Fusion Cores last an extra 50% longer.
Rank 3: Fusion Cores can be ejected from Power Armor like devastating grenades and Fusion Cores last twice as long.

Nerd Rage
Intelligence Level 10
Rank 1: Genius. Is. ANGRY! When your Health drops below 20%, time slows and you gain +20 Damage Resistance and do 20% more damage while the effect lasts.
Rank 2: You now gain 30 more Damage Resistance and do 30% more damage while Nerd Rage is in effect.
Rank 3: You now gain 40 more Damage Resistance and do 40% more damage while Nerd Rage is in effect. Kills you make while enraged restore some lost Health.